A Letter of Many Identities
When I appear once, I am 24.
When I appear twice, I am 20.
When I appear three times, I am unclean.
When placed among numbers, I am unknown.
What am I?
Show Answer
The answer is the letter “X”.
- When I appear once, I represent 24, as “X” is the 24th letter of the alphabet.
- When I appear twice, I become 20, since “XX” is the Roman numeral for 20.
- When I appear three times, I am considered unclean, as “XXX” is often linked to adult content.
- In mathematics, “X” is widely used to represent an unknown value.